Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:38 2012 Optimize a model with 95 rows, 239 columns and 239 nonzeros Model has 188 quadratic constraints Presolve removed 0 rows and 1 columns Presolve time: 1.10s Presolved: 95 rows, 238 columns, 238 nonzeros Variable types: 188 continuous, 50 integer (49 binary) Root relaxation: objective 0.000000e+00, 25 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 46.0000000 - - - 1s 0 0 0.00000 0 2 46.00000 0.00000 100% - 1s 0 0 0.00000 0 46 46.00000 0.00000 100% - 1s 0 0 0.00000 0 42 46.00000 0.00000 100% - 1s 0 2 0.00000 0 42 46.00000 0.00000 100% - 1s * 35 35 19 22.0000000 3.40426 84.5% 22.5 1s H 116 79 19.0000000 3.57143 81.2% 21.7 1s * 175 93 10 17.0000000 3.71429 78.2% 24.0 1s Cutting planes: Explored 998 nodes (23127 simplex iterations) in 1.59 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.700000000000e+01, best bound 1.700000000000e+01, gap 0.0%